Parity for ION Tools

crypto/jwk.go

@@ -35,6 +35,22 @@ type PrivateKeyJWK struct {
 	QI     string `json:"qi,omitempty"`
 }
 
+// ToPublicKeyJWK converts a PrivateKeyJWK to a PublicKeyJWK
+func (k PrivateKeyJWK) ToPublicKeyJWK() PublicKeyJWK {
+	return PublicKeyJWK{
+		KTY:    k.KTY,
+		CRV:    k.CRV,
+		X:      k.X,
+		Y:      k.Y,
+		N:      k.N,
+		E:      k.E,
+		Use:    k.Use,
+		KeyOps: k.KeyOps,
+		Alg:    k.Alg,
+		KID:    k.KID,
+	}
+}
+
 // PublicKeyJWK complies with RFC7517 https://datatracker.ietf.org/doc/html/rfc7517
 type PublicKeyJWK struct {
 	KTY    string `json:"kty,omitempty" validate:"required"`

did/ion/did.go

@@ -25,20 +25,14 @@ func CreateLongFormDID(recoveryKey, updateKey crypto.PublicKeyJWK, document Docu
 	if err != nil {
 		return "", err
 	}
-
 	shortFormDID, err := CreateShortFormDID(createRequest.SuffixData)
 	if err != nil {
 		return "", err
 	}
-
-	b, _ := json.Marshal(createRequest.SuffixData)
-	println(string(b))
-
 	is := InitialState{
 		Delta:      createRequest.Delta,
 		SuffixData: createRequest.SuffixData,
 	}
-
 	initialStateBytesCanonical, err := CanonicalizeAny(is)
 	if err != nil {
 		return "", errors.Wrap(err, "canonicalizing long form DID suffix data")
@@ -47,21 +41,6 @@ func CreateLongFormDID(recoveryKey, updateKey crypto.PublicKeyJWK, document Docu
 	return strings.Join([]string{shortFormDID, encoded}, ":"), nil
 }
 
-// CreateShortFormDID follows the process on did uri composition from the spec:
-// https://identity.foundation/sidetree/spec/#did-uri-composition, used to generate a short form DID URI,
-// which is most frequently used in the protocol and when sharing out ION DIDs.
-func CreateShortFormDID(suffixData any) (string, error) {
-	createOpSuffixDataCanonical, err := CanonicalizeAny(suffixData)
-	if err != nil {
-		return "", errors.Wrap(err, "canonicalizing suffix data")
-	}
-	hash, err := HashEncode(createOpSuffixDataCanonical)
-	if err != nil {
-		return "", errors.Wrap(err, "generating multihash for DID URI")
-	}
-	return strings.Join([]string{"did", did.IONMethod.String(), hash}, ":"), nil
-}
-
 // DecodeLongFormDID decodes a long form DID into a short form DID and
 // its create operation suffix data
 func DecodeLongFormDID(longFormDID string) (string, *InitialState, error) {
@@ -82,3 +61,27 @@ func DecodeLongFormDID(longFormDID string) (string, *InitialState, error) {
 	}
 	return strings.Join(split[0:3], ":"), &initialState, nil
 }
+
+// CreateShortFormDID follows the process on did uri composition from the spec:
+// https://identity.foundation/sidetree/spec/#did-uri-composition, used to generate a short form DID URI,
+// which is most frequently used in the protocol and when sharing out ION DIDs.
+func CreateShortFormDID(suffixData any) (string, error) {
+	createOpSuffixDataCanonical, err := CanonicalizeAny(suffixData)
+	if err != nil {
+		return "", errors.Wrap(err, "canonicalizing suffix data")
+	}
+	hash, err := HashEncode(createOpSuffixDataCanonical)
+	if err != nil {
+		return "", errors.Wrap(err, "generating multihash for DID URI")
+	}
+	return strings.Join([]string{"did", did.IONMethod.String(), hash}, ":"), nil
+}
+
+// GetShortFormDIDFromLongFormDID returns the short form DID from a long form DID
+func GetShortFormDIDFromLongFormDID(longFormDID string) (string, error) {
+	shortFormDID, _, err := DecodeLongFormDID(longFormDID)
+	if err != nil {
+		return "", errors.Wrap(err, "decoding long form DID")
+	}
+	return shortFormDID, nil
+}

did/ion/model.go

@@ -11,6 +11,10 @@ type Document struct {
 	Services   []Service   `json:"services,omitempty"`
 }
 
+func (d Document) IsEmpty() bool {
+	return len(d.PublicKeys) == 0 && len(d.Services) == 0
+}
+
 // Service declaration in a DID Document
 type Service struct {
 	ID              string `json:"id,omitempty"`
@@ -59,12 +63,20 @@ type ReplaceAction struct {
 
 // request models
 
+type AnchorOperation interface {
+	GetType() OperationType
+}
+
 type CreateRequest struct {
 	Type       OperationType `json:"type,omitempty"`
 	SuffixData SuffixData    `json:"suffixData,omitempty"`
 	Delta      Delta         `json:"delta,omitempty"`
 }
 
+func (CreateRequest) GetType() OperationType {
+	return Create
+}
+
 type SuffixData struct {
 	DeltaHash          string `json:"deltaHash,omitempty"`
 	RecoveryCommitment string `json:"recoveryCommitment,omitempty"`
@@ -78,6 +90,10 @@ type UpdateRequest struct {
 	SignedData  string        `json:"signedData,omitempty"`
 }
 
+func (UpdateRequest) GetType() OperationType {
+	return Update
+}
+
 // UpdateSignedDataObject https://identity.foundation/sidetree/spec/#update-signed-data-object
 type UpdateSignedDataObject struct {
 	UpdateKey crypto.PublicKeyJWK `json:"updateKey,omitempty"`
@@ -127,6 +143,10 @@ type DeactivateRequest struct {
 	SignedData  string        `json:"signedData,omitempty"`
 }
 
+func (DeactivateRequest) GetType() OperationType {
+	return Deactivate
+}
+
 // DeactivateSignedDataObject https://identity.foundation/sidetree/spec/#deactivate-signed-data-object
 type DeactivateSignedDataObject struct {
 	DIDSuffix   string              `json:"didSuffix,omitempty"`
@@ -141,6 +161,10 @@ type RecoverRequest struct {
 	SignedData  string        `json:"signedData,omitempty"`
 }
 
+func (RecoverRequest) GetType() OperationType {
+	return Recover
+}
+
 // RecoverySignedDataObject https://identity.foundation/sidetree/spec/#recovery-signed-data-object
 type RecoverySignedDataObject struct {
 	RecoveryCommitment string              `json:"recoveryCommitment,omitempty"`